ANA-8S IgG ELISA is for the qualitative detection of IgG antibodies against eight cellular and nuclear antigens in human serum. Research Use Only. Not for Use in Diagnostic Procedures.
Research Use Only. Not for Use in Diagnostic Procedures.
Range
Cut-off
Sensitivity
n/a
Sizes
96 Wells
Sample Types
Serum
Inc Time Hour
1
Inc Time Overnight
No
Inc Time See Protocol
No
Sample Size
10
Detection
Colorimetric
Serum samples diluted 1:101 are incubated in the microplates coated with the specific antigen. Antibodies, if present in the sample, bind to the antigen. The unbound fraction is washed off in the following step. Afterwards anti-human immunoglobulins conjugated to horseradish peroxidase (conjugate) are incubated and react with the antigen-antibody complex of the samples in the microplates. Unbound conjugate is washed off in the following step. Addition of TMB-substrate generates an enzymatic colorimetric (blue) reaction, which is stopped by diluted acid (color changes to yellow). The intensity of color formation from the chromogen is a function of the amount of conjugate bound to the antigen-antibody complex and this is proportional to the initial concentration of the respective antibodies in the sample.
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